/*
 * @Description: 
 * @Author: Aroma
 * @Date: 2024-09-26 20:25:43
 * @LastEditors: Aroma
 * @别瞎看: 你个无脑牛马
 */

import java.util.Scanner;
/**
 * Additional06
 */
public class Additional06 {
    public static void main(String[] args) {
       Scanner scanner = new Scanner(System.in);
        System.out.println("请输入手机号(+86)：");
        String phoneNumber = scanner.nextLine();
        String newPhone = phoneNumber.replace(phoneNumber.substring(3, 7), "****");
        scanner.close();
        if(phoneNumber.length()!=11){
            System.out.println("输入有误，请重新输入");
            
        }else{
            System.out.println("原手机号为：");
            System.out.println(newPhone);
        }   
    }
}